| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.73 | -0.03 |
| Feb | 1.81 | 1.83 | -0.02 |
| Mar | 2.54 | 2.53 | 0.01 |
| Apr | 2.41 | 2.34 | 0.07 |
| May | 4.31 | 4.32 | -0.01 |
| Jun | 2.95 | 2.99 | -0.04 |
| Jul | 1.92 | 2.11 | -0.19 |
| Aug | 2.26 | 2.22 | 0.04 |
| Sep | 3.42 | 3.37 | 0.05 |
| Oct | 2.96 | 3.10 | -0.14 |
| Nov | 2.27 | 2.37 | -0.10 |
| Dec | 1.86 | 1.94 | -0.08 |
30.41 | 30.85 | -0.44 |